.wrapper{
    position: fixed;
    display: flex;
    width: 100%;
    min-height: 100%;
    left: 0;
    top: 0;
}
.wrapper .menu-wrapper{
    position: relative;
    padding-right: .5rem;
    width: 28%;
}

.wrapper .menu-wrapper .tab{
    position: relative;
    display: inline-block;
    width: 100%;
    height: 4rem;
    line-height: 4rem;
    text-align: center;
    font-size: 1.3rem;
    background-color: #fff;
    color: #666;
}
.wrapper .menu-wrapper .tab.check{
    color: #333;
    background-color: #F4F4F4;
}

.wrapper .classification-wrapper{
    position: relative;
    padding-left: 1.5rem;
    flex: 1;
    background-color: #fff;
}
.wrapper .classification-wrapper li{
    position: relative;
}
.wrapper .classification-wrapper .title{
    height: 4rem;
    line-height: 4rem;
    font-weight: 400;
    color: #333;
}
.wrapper .classification-wrapper .all{
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    font-size: 1.2rem;
    color: #999;
}
.wrapper .classification-wrapper .classifications{
    position: relative;
    overflow: hidden;
}
.wrapper .classification-wrapper .classifications li{
    float: left;
    margin-bottom: 1rem;
    margin-right: 2rem;
    padding: 0 .6rem;
    min-width: 34%;
    height: 3rem;
    line-height: 3rem;
    text-align: center;
    background-color: #f5f5f5;
    border-radius: .5rem;
    font-size: 1.2rem;
    color: #666;
}